1 /* $OpenBSD: hpux_sig2.c,v 1.2 2004/09/28 11:00:22 miod Exp $ */
2 /* $NetBSD: hpux_sig.c,v 1.16 1997/04/01 19:59:02 scottr Exp $ */
3
4 /*
5 * Copyright (c) 1988 University of Utah.
6 * Copyright (c) 1990, 1993
7 * The Regents of the University of California. All rights reserved.
8 *
9 * This code is derived from software contributed to Berkeley by
10 * the Systems Programming Group of the University of Utah Computer
11 * Science Department.
12 *
13 * Redistribution and use in source and binary forms, with or without
14 * modification, are permitted provided that the following conditions
15 * are met:
16 * 1. Redistributions of source code must retain the above copyright
17 * notice, this list of conditions and the following disclaimer.
18 * 2. Redistributions in binary form must reproduce the above copyright
19 * notice, this list of conditions and the following disclaimer in the
20 * documentation and/or other materials provided with the distribution.
21 * 3. Neither the name of the University nor the names of its contributors
22 * may be used to endorse or promote products derived from this software
23 * without specific prior written permission.
24 *
25 * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
26 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
27 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
28 * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
29 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
30 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
31 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
32 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
33 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
34 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
35 * SUCH DAMAGE.
36 *
37 * from: Utah $Hdr: hpux_sig.c 1.4 92/01/20$
38 *
39 * @(#)hpux_sig.c 8.2 (Berkeley) 9/23/93
40 */
41
42 /*
43 * Signal related HPUX compatibility routines
44 */
45
46 #include <sys/param.h>
47 #include <sys/systm.h>
48 #include <sys/kernel.h>
49 #include <sys/mount.h>
50 #include <sys/proc.h>
51 #include <sys/signalvar.h>
52 #include <sys/syscallargs.h>
53
54 #include <compat/hpux/hpux.h>
55 #include <compat/hpux/hpux_sig.h>
56 #include <compat/hpux/m68k/hpux_syscallargs.h>
57
58 int
59 hpux_sys_ssig_6x(p, v, retval)
60 struct proc *p;
61 void *v;
62 register_t *retval;
63 {
64 struct hpux_sys_ssig_6x_args /* {
65 syscallarg(int) signo;
66 syscallarg(sig_t) fun;
67 } */ *uap = v;
68 int a;
69 struct sigaction vec;
70 struct sigaction *sa = &vec;
71
72 a = hpuxtobsdsig(SCARG(uap, signo));
73 sa->sa_handler = SCARG(uap, fun);
74 /*
75 * Kill processes trying to use job control facilities
76 * (this'll help us find any vestiges of the old stuff).
77 */
78 if ((a &~ 0377) ||
79 (sa->sa_handler != SIG_DFL && sa->sa_handler != SIG_IGN &&
80 ((int)sa->sa_handler) & 1)) {
81 psignal(p, SIGSYS);
82 return (0);
83 }
84 if (a <= 0 || a >= NSIG || a == SIGKILL || a == SIGSTOP ||
85 (a == SIGCONT && sa->sa_handler == SIG_IGN))
86 return (EINVAL);
87 sa->sa_mask = 0;
88 sa->sa_flags = 0;
89 *retval = (int)p->p_sigacts->ps_sigact[a];
90 setsigvec(p, a, sa);
91 #if 0
92 p->p_flag |= SOUSIG; /* mark as simulating old stuff */
93 #endif
94 return (0);
95 }